Home / 10,485.89-15,726.68-4,638.77

Finding the Fourth Proportional to 10,485.89, 15,726.68 and 4,638.77

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Solution

The fourth proportional to 10,485.89, 15,726.68 and 4,638.77 is: 6,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.89 : 15,726.68 = 4,638.77 : x
  2. Step 2: Convert to fraction form
    10,485.89/15,726.68 = 4,638.77/x
  3. Step 3: Cross multiply
    10,485.89x = 15,726.68 × 4,638.77
  4. Step 4: Simplify right side
    10,485.89x = 72,952,428.19
  5. Step 5: Solve for x
    x = 72,952,428.19/10,485.89
  6. Step 6: Final answer
    x = 6,957.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.